S-1137B29-U5T1G datasheet, PDF

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S-1137B29-U5T1G: DescriptionIC REG LINEAR 2.9V 300MA SOT89-5; CategoryPower/power management The power supply circuit; File Size842KB，47 Pages; ManufacturerABLIC

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S-1137B29-U5T1G Overview

IC REG LINEAR 2.9V 300MA SOT89-5

S-1137B29-U5T1G Parametric

Parameter Name	Attribute value
Maker	ABLIC
Parts packaging code	SOT-89
package instruction	HLSOF,
Contacts	5
Reach Compliance Code	compliant
ECCN code	EAR99
Maximum drop-back voltage 1	0.31 V
Maximum input voltage	5.5 V
Minimum input voltage	1.7 V
JESD-30 code	R-PDSO-F5
length	4.5 mm
Number of functions	1
Number of terminals	5
Maximum output voltage 1	2.929 V
Minimum output voltage 1	2.871 V
Nominal output voltage 1	2.9 V
Package body material	PLASTIC/EPOXY
encapsulated code	HLSOF
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.6 mm
surface mount	YES
technology	CMOS
Terminal form	FLAT
Terminal pitch	1.5 mm
Terminal location	DUAL
width	2.5 mm

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S-1137 Series

www.ablic.com

www.ablicinc.com

HIGH RIPPLE-REJECTION LOW DROPOUT

SOFT-START FUNCTION CMOS VOLTAGE REGULATOR

Rev.2.1

_02

The S-1137 Series, developed using the CMOS technology, is a positive voltage regulator IC which has the low dropout

voltage, the high-accuracy output voltage and the soft-start function (300 mA output current).

A 1.0

F

small ceramic capacitor can be used. It operates with low current consumption of 45

A

typ.

The overcurrent protection circuit prevents the load current from exceeding the current capacity of the output transistor.

The ON / OFF circuit ensures longer battery life.

Compared to the conventional CMOS technology regulator ICs, various capacitors including small ceramic capacitors can be

used for this IC.

Furthermore, small SOT-89-5, SOT-23-5, and SNT-6A(H) packages realize high-density mounting.



Features



Output voltage:



Input voltage:



Output voltage accuracy:



Dropout voltage:



Current consumption:



Output current:



Input and output capacitors:



Ripple rejection:



Built-in soft-start circuit:



Built-in overcurrent protection circuit:



Built-in ON / OFF circuit:



Pull-down resistor is selectable.



Discharge shunt function is selectable.



Operation temperature range:



Lead-free, Sn 100%, halogen-free

1.2 V to 3.5 V, selectable in 0.05 V step

1.7 V to 5.5 V

1.0%

(1.2 V to 1.45 V output product :

15

mV)

210 mV typ. (2.8 V output product, I

OUT

= 300 mA)

During operation:

A

typ., 65

A

max.

During power-off:

0.1

A

typ., 1.0

A

max.

Possible to output 300 mA (V



OUT(S)



1.0 V)

A ceramic capacitor of 1.0

F

or more can be used.

70 dB typ. (f = 1.0 kHz)

Soft-start time : 0.7 ms typ. (C

= 1.0 nF)

Limits overcurrent of output transistor.

Ensures long battery life.

Ta =

40C

85C

*1.

Attention should be paid to the power dissipation of the package when the output current is large.

*2.

Refer to “

Product Name Structure”

for details.



Applications



Constant-voltage power supply for battery-powered device



Constant-voltage power supply for cellular phone, portable device



Constant-voltage power supply for digital still camera, TV, DVD recorder



Packages



SOT-89-5



SOT-23-5



SNT-6A(H)

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